interface AccessToken {
    access_token: string;
    token_type: string;
    refresh_token: string;
    expires_in: number;
    scope: string;
    id_token?: string;
}
/**
 * Request OAuth server to issue access_token
 * API Reference https://developers.line.biz/en/reference/social-api/
 * @export
 * @returns {Promise<any>}
 */
export default function requestAccessToken(): Promise<AccessToken>;
export {};